it happened back in 2008 in rancho cordova. it killed one person, injured several others. well, the california public utilities commission said pg&e violated a number of safety laws when it installed that pipeline. and among them? the pipe was not authorized for gas service. >>> a jury cleared johannes mehserle and four other bart police officers of using excessive force against a passenger three years ago. the passenger had claimed mehserle and the others kicked, punched and then arrested him. the incident took place weeks before mehserle shot and killed oscar grant on new year's day. bart says the verdict shows that its officers acted properly. >>> bart is out with some new guidelines on when to shut down cell phone service on board its trains and in its stations. back in august, bart shut off cell service at four san francisco stations because of a planned protest. well, of course that move sparked many protests of its own. today bart's board voted to prohibit cell phone blackouts unless there is a, quote, extraordinary threat that woken danger passenger safety. >>> a l